Knoxville Weather Forecast
- 52
- 64
Rain Showers
- 54
- 68
Mostly Cloudy
- 55
- 69
Mostly Cloudy
- 51
- 70
Mostly Cloudy
- 54
- 69
Mostly Cloudy
- 58
- 75
Partly Sunny
Today 22 Sep Knox
Mostly cloudy with isolated Showers. Highs in the mid 60s. Northeast Winds around 10 Mph. Chance of rain 20 percent.
Tonight 22 Sep Knox
Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 50s. Northeast Winds 5 to 10 Mph.
Knoxville Temperature Statistics
September Temperature
Galesburg Municipal Airport (7.5 miles)
Lowest 14 September, 2026
52.3 °FAverage September
73.6 °FHighest 3 September, 2026
93.6 °F
Climate (2021–2026)
Galesburg Municipal Airport (7.5 miles)
Average Low 2021–2026
41.9 °FAverage 2021–2026
52.2 °FAverage High 2021–2026
62.5 °F